<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8" />
        <title>Hello world!</title>
        <link
            type="text/css"
            rel="stylesheet"
            href="{{ url_for('static', filename='hello.css')}}"
        />
    </head>
    <body>
        It works!
    </body>
</html>
